DE60004931D1 - Continuous process for the preparation of 3,5,5-trimethylcyclohexa-3-en-1-one (beta-isophorone) - Google Patents
Continuous process for the preparation of 3,5,5-trimethylcyclohexa-3-en-1-one (beta-isophorone)Info
- Publication number
- DE60004931D1 DE60004931D1 DE60004931T DE60004931T DE60004931D1 DE 60004931 D1 DE60004931 D1 DE 60004931D1 DE 60004931 T DE60004931 T DE 60004931T DE 60004931 T DE60004931 T DE 60004931T DE 60004931 D1 DE60004931 D1 DE 60004931D1
- Authority
- DE
- Germany
- Prior art keywords
- trimethylcyclohexa
- isophorone
- beta
- preparation
- continuous process
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9907919 | 1999-06-22 | ||
FR9907919A FR2795408B1 (en) | 1999-06-22 | 1999-06-22 | CONTINUOUS PROCESS FOR MANUFACTURING 3,5,5-TRIMETHYL CYCLOHEXA- 3-IN-1-ONE (BETA-ISOPHORONE) |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60004931D1 true DE60004931D1 (en) | 2003-10-09 |
DE60004931T2 DE60004931T2 (en) | 2004-07-22 |
Family
ID=9547133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60004931T Expired - Fee Related DE60004931T2 (en) | 1999-06-22 | 2000-06-20 | Continuous process for the preparation of 3,5,5-trimethylcyclohexa-3-en-1-one (beta-isophorone) |
Country Status (8)
Country | Link |
---|---|
US (1) | US6274771B1 (en) |
EP (1) | EP1063220B1 (en) |
JP (1) | JP3568457B2 (en) |
KR (1) | KR100385192B1 (en) |
CN (1) | CN1185197C (en) |
CA (1) | CA2312417C (en) |
DE (1) | DE60004931T2 (en) |
FR (1) | FR2795408B1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100750054B1 (en) * | 2001-11-12 | 2007-08-16 | 에스케이에너지 주식회사 | Method for preparing 3,5,5-trimethyl-3-cyclohexenone with high purity |
KR100718770B1 (en) * | 2001-12-07 | 2007-05-16 | 에스케이 주식회사 | Method for preparing keto-isophorone |
DE102010030995A1 (en) | 2010-07-06 | 2012-01-12 | Evonik Degussa Gmbh | Use of beta-isophorone as a solvent |
AR085568A1 (en) * | 2011-04-15 | 2013-10-09 | Bayer Cropscience Ag | 5- (BICYCLE [4.1.0] HEPT-3-EN-2-IL) -PENTA-2,4-DIENOS AND 5- (BICYCLE [4.1.0] HEPT-3-EN-2-IL) -PENT- 2-IN-4-INOS REPLACED AS ACTIVE PRINCIPLES AGAINST ABIOTIC STRESS OF PLANTS |
CN112920032B (en) * | 2019-12-06 | 2022-07-12 | 万华化学集团股份有限公司 | Preparation method of beta-isophorone |
CN114805045B (en) * | 2021-01-18 | 2023-10-20 | 万华化学(四川)有限公司 | Method for continuously preparing beta-isophorone |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH585168A5 (en) * | 1973-12-07 | 1977-02-28 | Firmenich & Cie | |
DE3735211A1 (en) * | 1987-10-17 | 1989-04-27 | Huels Chemische Werke Ag | METHOD FOR PRODUCING BETA-ISOPHORONE FROM ALPHA-ISOPHORONE |
US5276197A (en) * | 1990-11-30 | 1994-01-04 | Hoffman-La Roche Inc. | Process for manufacture of beta-isophorone |
DE19639569A1 (en) * | 1996-09-26 | 1998-04-02 | Degussa | Process for the preparation of beta-isophorone by isomerization of alpha-isophorone (I) |
JPH10139713A (en) * | 1996-11-15 | 1998-05-26 | Daicel Chem Ind Ltd | Production of 3,5,5-trimethylcyclohex-3-en-1-one |
-
1999
- 1999-06-22 FR FR9907919A patent/FR2795408B1/en not_active Expired - Fee Related
-
2000
- 2000-06-20 DE DE60004931T patent/DE60004931T2/en not_active Expired - Fee Related
- 2000-06-20 EP EP00401753A patent/EP1063220B1/en not_active Expired - Lifetime
- 2000-06-21 CA CA002312417A patent/CA2312417C/en not_active Expired - Fee Related
- 2000-06-22 KR KR10-2000-0034395A patent/KR100385192B1/en not_active IP Right Cessation
- 2000-06-22 US US09/598,484 patent/US6274771B1/en not_active Expired - Fee Related
- 2000-06-22 CN CNB001242679A patent/CN1185197C/en not_active Expired - Fee Related
- 2000-06-22 JP JP2000188261A patent/JP3568457B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2795408B1 (en) | 2001-08-24 |
DE60004931T2 (en) | 2004-07-22 |
KR100385192B1 (en) | 2003-05-27 |
JP3568457B2 (en) | 2004-09-22 |
JP2001031619A (en) | 2001-02-06 |
EP1063220B1 (en) | 2003-09-03 |
CA2312417C (en) | 2007-01-02 |
EP1063220A1 (en) | 2000-12-27 |
CN1185197C (en) | 2005-01-19 |
CN1288882A (en) | 2001-03-28 |
KR20010049592A (en) | 2001-06-15 |
CA2312417A1 (en) | 2000-12-22 |
US6274771B1 (en) | 2001-08-14 |
FR2795408A1 (en) | 2000-12-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |